Injection device plunger auto-disable
US8617099B2 · kind B2 · utility
8Cited by
54References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Dec 4, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/31511
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nozzle assembly for a needle-free injection device. The nozzle assembly includes a nozzle body including an injectate chamber and one or more outlet orifices and a plunger configured to move through the injectate chamber toward the one or more outlet orifices. In some embodiments, the plunger includes a first portion and a second portion removably joined by a frangible region. In some embodiments, the plunger includes extensions configured to couple the plunger to a drive assembly of a needle-free injection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.